Discord-History-Tracker/app/Desktop/Dialogs/Message/Dialog.cs

using System.Threading.Tasks;
using Avalonia.Controls;
using Avalonia.Threading;

namespace DHT.Desktop.Dialogs.Message {
	static class Dialog {
		public static async Task ShowOk(Window owner, string title, string message) {
			if (!Dispatcher.UIThread.CheckAccess()) {
				await Dispatcher.UIThread.InvokeAsync(() => ShowOk(owner, title, message));
				return;
			}

			await new MessageDialog {
				DataContext = new MessageDialogModel {
					Title = title,
					Message = message,
					IsOkVisible = true
				}
			}.ShowDialog<DialogResult.All>(owner);
		}

		public static async Task<DialogResult.OkCancel> ShowOkCancel(Window owner, string title, string message) {
			if (!Dispatcher.UIThread.CheckAccess()) {
				return await Dispatcher.UIThread.InvokeAsync(() => ShowOkCancel(owner, title, message));
			}

			var result = await new MessageDialog {
				DataContext = new MessageDialogModel {
					Title = title,
					Message = message,
					IsOkVisible = true,
					IsCancelVisible = true
				}
			}.ShowDialog<DialogResult.All?>(owner);

			return result.ToOkCancel();
		}

		public static async Task<DialogResult.YesNo> ShowYesNo(Window owner, string title, string message) {
			if (!Dispatcher.UIThread.CheckAccess()) {
				return await Dispatcher.UIThread.InvokeAsync(() => ShowYesNo(owner, title, message));
			}

			var result = await new MessageDialog {
				DataContext = new MessageDialogModel {
					Title = title,
					Message = message,
					IsYesVisible = true,
					IsNoVisible = true
				}
			}.ShowDialog<DialogResult.All?>(owner);

			return result.ToYesNo();
		}

		public static async Task<DialogResult.YesNoCancel> ShowYesNoCancel(Window owner, string title, string message) {
			if (!Dispatcher.UIThread.CheckAccess()) {
				return await Dispatcher.UIThread.InvokeAsync(() => ShowYesNoCancel(owner, title, message));
			}

			var result = await new MessageDialog {
				DataContext = new MessageDialogModel {
					Title = title,
					Message = message,
					IsYesVisible = true,
					IsNoVisible = true,
					IsCancelVisible = true
				}
			}.ShowDialog<DialogResult.All?>(owner);

			return result.ToYesNoCancel();
		}
	}
}